331121021220113 has 8 divisors (see below), whose sum is σ = 331996503168000. Its totient is φ = 330245596232368.

The previous prime is 331121021220083. The next prime is 331121021220133. The reversal of 331121021220113 is 311022120121133.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331121021220113 - 2¹⁰ = 331121021219089 is a prime.

It is a super-2 number, since 2×331121021220113² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331121021220133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585663 + ... + 25863636.

It is an arithmetic number, because the mean of its divisors is an integer number (41499562896000).

Almost surely, 2^{331121021220113} is an apocalyptic number.

It is an amenable number.

331121021220113 is a deficient number, since it is larger than the sum of its proper divisors (875481947887).

331121021220113 is a wasteful number, since it uses less digits than its factorization.

331121021220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28480071.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 331121021220113 its reverse (311022120121133), we get a palindrome (642143141341246).

The spelling of 331121021220113 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty thousand, one hundred thirteen".